Easy to Use: This Bluetooth speaker uses the latest Bluetooth 5.1 chip, which can be connected up to 10 meters(32 feet). Fast and easy to connect, turn the speaker on locate it on your device Bluetooth list, and click connect. There is the battery information and device link through the display, it every convenient to use on life.Long Service Time: This dream pro pillow speaker can work up to 20 hours on a single charge (40-minis charge time). A built-in timer feature can be activated by double clicking the plus button (This will enable a 60 min timer for auto shut down) or the Minus Button(this will enable 30 min timer) which can save energy on the battery and save you from manually waking to turn it off.Bone Conduction Technology: The Under Pillow speaker uses advanced bone conduction technology that transfers sound through the pillow. This will not only help with sleep but will also not disturb your partner.Protect Ear: Bone conduction headphones change the traditional way of listening to music. It neither emits loud nor has to be in your ear. Which can help protect your ears while sleeping.Perfect For Side Sleeper: The Mini Bone White Noise Machine is a gentle whispering sound, that not only aids in stress relief but helps you relax and fall asleep faster. The audio can help calm an overactive mind for a restful night.